noun
opossum shrimp; mysid
Small shrimp-like crustaceans of the order Mysida, often used as food or fishing bait.
アミは沿岸の浅い海にたくさんいる。
Opossum shrimp are abundant in shallow coastal waters.
釣り餌にアミを使った。
I used mysids as fishing bait.
The origin is uncertain. The kanji spellings 醤蝦 and 糠蝦 are rare and likely ateji, but the exact derivation is unclear.